public class DataTypeDemo1 {
    public static void main(String[] args) {
        /*


         */
        long a=15648784454L;
        float b=1.2454F;
        char c='打';
        String name="我等哈你哦我电话";
        boolean flag=true;
        System.out.println(a);
        System.out.println(name);
        System.out.println(flag);
    }
}
